US8583327B2 - Tire burst detecting and anti-deviation system and method thereof - Google Patents
Tire burst detecting and anti-deviation system and method thereof Download PDFInfo
- Publication number
- US8583327B2 US8583327B2 US13/126,895 US200813126895A US8583327B2 US 8583327 B2 US8583327 B2 US 8583327B2 US 200813126895 A US200813126895 A US 200813126895A US 8583327 B2 US8583327 B2 US 8583327B2
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- Prior art keywords
- signal
- steering
- tire burst
- sensor
- occurred
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/48—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition connecting the brake actuator to an alternative or additional source of fluid pressure, e.g. traction control systems
- B60T8/4809—Traction control, stability control, using both the wheel brakes and other automatic braking systems
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
- G07C5/0825—Indicating performance data, e.g. occurrence of a malfunction using optical means
Definitions
- Certain embodiment of present invention relates to a security system for automobile safety. More specifically, certain embodiment of the invention relates to a tire burst detecting and anti-deviation system and method thereof.
- Tire burst is one of the main reasons for the serious traffic accidents on the highways.
- Such devices need another additional monitoring and controlling system, which leads to the increase of hardware cost and inconvenience of installation.
- ABS system anti-locked braking system
- EBD electronic brake force distribution
- TCS traction control system
- ESP electronic stability program
- the following components comprising steering sensor, runout rate sensor, transverse acceleration sensor, etc.
- TPMS tire pressure monitor system
- BMBS Low-out monitoring and brake system
- CN200610146050.6 (DEVIATION RECTIFYING SYSTEM FOR TIRE BURST SAFETY BRAKING OF AUTOMOBILES), deviation rectifying is performed without the measurement of steering angle of the vehicle after tire burst by a runout rate sensor and a transverse acceleration sensor, which causes relatively large errors in actual deviation rectifying in the absence of right basis.
- a system and method for tire burst detecting and anti-deviation which can be used for tire burst detecting and deviation rectifying with low cost, substantially as shown in and/or described in connection with at least on of the figures, as set forth more completely in the claims, aiming at the technical problem of additional cost that hardware comprising pressure detecting sensor is needed in tire in prior technology.
- a system for tire burst detecting and anti-deviation comprising: an ABS system component, a brake chief-pump and a brake circuit connected with the ABS system component, and an ESP system component electrically connected with an electrical control unit (ECU) of the ABS system component; the electrical control unit further comprises an acquisition modules for acquiring signals from sensors in the ABS system and the ESP system, a judging module for judging whether the tire burst has occurred based on the acquired signals, and a calculating module for calculating a deviation rectifying angle based on the acquired signals; the ABS system component rectifies deviation based on the deviation rectifying angle.
- ECU electrical control unit
- the ABS system component further comprises a wheel speed sensor electrically connected with the ECU for measuring wheel speed signals.
- the ESP system component further comprises a steering sensor for measuring a steering angle of a steering wheel, a runout rate sensor for measuring an angle of a automobile deviating from a straight-line, and a transverse acceleration sensor for measuring sideslip signals when the automobile turns, which are electrically connected with the ECU.
- the judging whether the tire burst has occurred or not comprises judging whether the wheel speed signals grow strong suddenly and whether the steering wheel steers according to the real-time sensor signals stored in a memory of the ECU; if the steering wheel steers, further judging whether the runout rate signal and sideslip signals are smaller than or equal to steering signals; the judging modules are also utilized to judge whether the signal value of the runout rate sensor is zero when braking and deviation rectifying.
- the system further comprises a tire burst indicator lamp for alarming tire burst and an ABS warning lamp for ABS alarming when the judging modules judges that a tire burst has occurred, both of the lamps are electrically connected with the ECU.
- a method for tire burst detecting and anti-deviation comprising:
- step B judging whether a tire burst has occurred based on the acquired vehicle condition signal from the sensor; if so, step C will be executed, if not, return to step A;
- the vehicle condition signal comprises a wheel speed signal, a steering signal of a steering wheel, a deviation angle signal when an automobile deviating from a straight-line, and a sideslip signal when the automobile turning.
- the step B comprises:
- step B1 judging whether speed of one wheel grows large suddenly according to the acquired signals of a wheel speed sensor; if so, step B2 will be executed; if not, making a judgment that no tire burst has occurred by a judging module;
- step B2 judging whether the steering wheel steers according to the acquired signals of a steering sensor; if not, making a judgment that a tire burst has occurred, if so, step B3 will be executed;
- B3 judging whether the signal values of the runout rate sensor and the transverse acceleration sensor are smaller than or equal to that of the steering sensor; if so, making a judgment that no tire burst has occurred by the judging module; if not, making a judgment that a tire burst has occurred.
- the step C for deviation rectifying the burst tire comprises:
- C1 calculating an angle for deviation rectifying according to the steering angle signal value of the steering sensor, the signal values of the runout rate sensor and transverse acceleration sensor;
- step C3 judging whether the signal value of the runout rate sensor is zero after braking; if so, deviation rectifying is accomplished; if not, step C2 will be executed again.
- the method further comprises sending a tire burst alarm signal and an ABS alarm signal when making a judgment that a tire burst has occurred.
- the invention is operable to monitor tire burst and perform deviation rectifying precisely without additional hardware, leading to a low cost.
- FIG. 1 is a principle block diagram of present invention
- FIG. 2 is a structure diagram of present invention
- FIG. 3 is a structure diagram of the electrical control unit in an embodiment of the present invention.
- FIG. 4 is a flow diagram of Tire burst detection and anti-deviation in an embodiment of the present invention.
- the system of the invention judges the wheel with higher speed by calculating signals of wheel speed sensor.
- a tire burst occurs (especially the steering wheel), the wheel diameter suddenly decreases and automobile may deflect.
- the system of the invention calculates the deviated angles of transverse acceleration sensor and runout rate sensor, and may judge that a tire burst occurs when the steering sensor does not deflect at this moment.
- System control procedures will start an automatic control of ABS and direction deviation rectifying in 20 ms.
- FIG. 1 is a principle block diagram of the present invention while FIG. 2 is a structure diagram of the present invention.
- An ABS system component comprises ECU and magnetic valve 1 and wheel speed sensor 3 .
- ESP system component comprises runout rate sensor 7 , steering sensor 8 and transverse acceleration sensor 9 , all of which are electrically connected with ECU.
- a system for tire burst detecting and anti-deviation is provided in the present invention.
- the system comprises ECU and magnetic valve 1 , brake chief-pump 2 , wheel speed sensor 3 , brake circuit 4 , runout rate sensor 7 , steering sensor 8 , transverse acceleration sensor 9 , ABS warning lamp 5 and indicator lamp for tire burst 6 . Any other above component is electrically connected with ECU and magnetic valve 1 .
- Wheel speed sensor 3 is used for measuring wheel speed signal.
- Steering sensor 8 is for measuring the steering angle of steering wheel.
- Runout rate sensor 7 is used for measuring angle for automobiles deviating from a straight-line, which means judging whether automobiles are running along a straight-line.
- the signal value of runout rate sensor is the specific angle value that automobiles deviate form a straight-line, when automobiles are out of the state of running along a straight-line.
- Transverse acceleration sensor 9 is used for measuring sideslip signal when automobiles turn, and judging whether automobiles sideslip when running through a corner or turning. When the judging module makes a judgment that a tire burst occurs, indicator lamp for tire burst sends a tire burst alarm and the ABS warning lamp sends an ABS alarm.
- FIG. 3 is a structure diagram for ECU.
- the ECU comprises acquisition module, judging module and calculating module.
- the acquisition module provides the ECU with the signals acquired from a variety of sensors in ABS system and ESP system.
- Vehicle condition signals comprising wheel speed signal, steering signal of steering wheel, deviation angle signal for automobiles deviating from a straight-line and sideslip signal when automobiles turn, are acquired by sensors when automobiles are running.
- the signals of wheel speed sensor 3 , steering sensor 8 , runout rate sensor 7 and transverse acceleration sensor 9 are acquired through acquisition module by ECU for the constant monitoring of driving conditions of automobiles. ECU may then judge the driving conditions of automobiles in time and control the driving conditions accordingly.
- the judging module is used for judging whether a tire burst occurs according to the acquired vehicle condition signals.
- the judging module is also utilized for judging whether the signal value of runout rate sensor is zero when braking and deviation rectifying. If a tire burst is judged to occur, the pressure regulator connected with ECU in ABS system component will regulate the pressure of brake circuit 4 for deviation rectifying. The judgment process will be illustrated detailedly in the following discussion with regard to FIG. 4 .
- the calculating module calculates the angle for deviation rectifying according to the acquired steering angle signal value of steering sensor, signal values of runout rate sensor and transverse acceleration sensor.
- FIG. 4 is a flow diagram for tire burst detecting and anti-deviation, in an embodiment of the present invention.
- the acquisition module of ECU acquires the vehicle condition signals acquired by a variety of sensors. Then the judging module of ECU may judge whether the speed of one wheel suddenly grow high according to the acquired signal of wheel speed sensor 3 . If not, no tire burst occurs, and acquired signals will be returned. If so, a tire burst may occur and the following judgments will be executed.
- the judging module of ECU may judge whether the steering wheel steers. If not, it is indicated that the abrupt high wheel speed is due to a tire burst rather than a turn of steering wheel, which leads to a judgment that a tire burst occurs by judging module. If so, the judging module of ECU will judge whether the signal values of runout rate sensor and transverse acceleration sensor are smaller than or equal to that of steering sensor. If so, make a judgment that no tire burst occurs and acquired information will be returned without deviation rectifying. If not, make a judgment that a tire burst occurs and deviation rectifying will be needed.
- the signal values of runout rate sensor and transverse acceleration sensor present only when automobiles turn or sideslip, while the signal value of steering sensor presents only when the steering wheel steers. Therefore, the signal values of runout rate sensor and transverse acceleration sensor change with the signal value of steering sensor, indicating that the first two signal values will not be larger than the latter one under normal circumstances.
- ECU When making a judgment that a tire burst occurs, ECU will start the connected alarm module rapidly.
- the indicator lamp for tire burst of alarm module sends a tire burst alarm and ABS warning lamp of alarm module sends an ABS alarm. Meanwhile, ECU will start the deviation rectifying rapidly as well.
- Chips applied in the present invention have a quite high processing speed which can start the deviation rectifying process during an extremely short time.
- the starting time needed for the prior technologies is 0.2 to 1.5 s, while the time for starting the deviation rectifying process for the system in the present invention is within 20 ms. Specific deviation rectifying process is presented as follows:
- ECU calculates the angle for deviation rectifying according to the steering angle signal value of steering sensor, signal values of runout rate sensor and transverse acceleration sensor; then
- ECU sends control instructions, according to which the pressure regulator in the ABS system of automobile executes the corresponding actions to regulate the pressure in brake circuit 4 . Subsequently, such pressure regulator brakes other tires or the tires on the other side of burst tire according to the calculated angle for deviation rectifying obtained by calculating module. Such deviation rectifying processes will not be accomplished until the signal value of runout rate sensor after braking is judged to be zero by judging module. If not, the deviation rectifying processes for automobiles will be continued.
- ECU may obtain the specific deviation angle of automobiles according to the signals of runout rate sensor and transverse acceleration sensor. Then the system will control automobiles to run in the opposite direction to rectify the deviation angle and the ABS system component will control bake circuit 4 to implement the deviation rectifying. When the deviation angles of runout rate sensor and transverse acceleration sensor are detected to be zero, the precise deviation rectifying is accomplished.
- Prior technologies cannot detect the deviation angles of automobiles after a tire burst, so the specific angles needed for rectifying cannot be obtained, thus causing extremely great errors in actual control. Such errors are related with the speed of automobiles. The higher the speed, the greater the errors.
- the present invention may implement rapid precise deviation rectifying by applying chips with extremely high processing speed to implement a rapid start of deviation rectifying processes.
- the starting time needed for the prior technologies is 0.2 to 1.5 s, while such time for the system in the present invention is within 20 ms.
- the present invention may implement the rectifying for a tire burst of automobiles in a short time to avoid the danger of running in the deviation, and comprise the functionalities of tire burst detecting and precise anti-deviation for automobiles, causing the automobiles to run continuously at a certain speed after a tire burst.
- the present invention also needs no installation of pressure detection device or other hardware on the basis of ABS and ESP system components.
- the effective rapid tire burst detecting and deviation rectifying may be implemented by upgrading the control procedures.
- the advantages of the present invention comprise the following aspects such as low cost, fast speed for detecting and deviation rectifying, extremely short time for starting control procedures and precise deviation rectifying.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Regulating Braking Force (AREA)
Abstract
Description
-
- 1 ECU and magnetic valve;
- 2 brake chief-pump;
- 3 wheel speed sensor;
- 4 brake circuit;
- 5 ABS warning lamp;
- 6 indicator lamp for tire burst;
- 7 runout rate sensor;
- 8 steering sensor
- 9 transverse acceleration sensor.
Claims (4)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2008/072902 WO2010048761A1 (en) | 2008-10-31 | 2008-10-31 | Tire burst detecting and anti-deviation system and method thereof |
Publications (2)
Publication Number | Publication Date |
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US20120053792A1 US20120053792A1 (en) | 2012-03-01 |
US8583327B2 true US8583327B2 (en) | 2013-11-12 |
Family
ID=42128190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13/126,895 Expired - Fee Related US8583327B2 (en) | 2008-10-31 | 2008-10-31 | Tire burst detecting and anti-deviation system and method thereof |
Country Status (2)
Country | Link |
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US (1) | US8583327B2 (en) |
WO (1) | WO2010048761A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11670123B2 (en) | 2018-10-03 | 2023-06-06 | Micron Technology, Inc. | Automatic collection of autonomous vehicle logging data |
Families Citing this family (11)
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CN103253249B (en) * | 2013-02-22 | 2016-01-20 | 浙江吉利汽车研究院有限公司杭州分公司 | Improve control method and the device of vehicle flat tire rear stability |
CN103481876B (en) * | 2013-09-06 | 2018-04-27 | 浙江吉利控股集团有限公司 | Tire blowout braking control system and its method |
CN104118284B (en) * | 2014-08-07 | 2016-08-24 | 深圳市元征科技股份有限公司 | Tyre Pressure Monitoring System and method |
US9694811B1 (en) * | 2015-12-28 | 2017-07-04 | Yanping Lai | Intelligent intervention method based on integrated TPMS |
CN108001222A (en) * | 2016-10-28 | 2018-05-08 | 长城汽车股份有限公司 | Control method, system and the vehicle of vehicle |
US10266181B2 (en) * | 2016-12-14 | 2019-04-23 | Ford Global Technologies, Llc | Tire blowout control |
CN110196092A (en) * | 2018-02-26 | 2019-09-03 | 长城汽车股份有限公司 | A kind of car load unevenness detection method, device and vehicle |
WO2019218097A1 (en) * | 2018-05-14 | 2019-11-21 | Lu Shan | Automobile tire blowout security and stability control system |
WO2019218098A1 (en) * | 2018-05-14 | 2019-11-21 | Lu Shan | Automobile tire blowout security and stability control method |
US11182986B2 (en) * | 2018-10-10 | 2021-11-23 | Micron Technology, Inc. | Real-time selection of data to collect in autonomous vehicle |
CN114056418B (en) * | 2020-07-29 | 2023-04-18 | 耐世特汽车系统(苏州)有限公司 | Vehicle steering control method, system, device and storage medium |
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US20060058977A1 (en) * | 2004-09-14 | 2006-03-16 | Youcong Zhu | Method for monitoring tyre pressure variation of automobile tyre and system for realizing the same |
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US20080238645A1 (en) * | 2007-03-30 | 2008-10-02 | Sumitomo Rubber Industries, Ltd. | Mehtod for alarming a decrease in tire air-pressure and device thereof, and program thereof |
-
2008
- 2008-10-31 WO PCT/CN2008/072902 patent/WO2010048761A1/en active Application Filing
- 2008-10-31 US US13/126,895 patent/US8583327B2/en not_active Expired - Fee Related
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US5583483A (en) * | 1993-08-16 | 1996-12-10 | Mercedes-Benz Ag | Method for tire pressure warning |
US5696681A (en) * | 1995-06-05 | 1997-12-09 | Ford Global Technologies, Inc. | Brake steer vehicle dynamics control intervention |
CN2435290Y (en) | 2000-07-18 | 2001-06-20 | 王正键 | Double-control vehicle type bursting direction deviation preventor |
US20040095231A1 (en) * | 2001-09-05 | 2004-05-20 | Hidemi Ichinose | Tire monitoring system |
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Publication number | Priority date | Publication date | Assignee | Title |
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US11670123B2 (en) | 2018-10-03 | 2023-06-06 | Micron Technology, Inc. | Automatic collection of autonomous vehicle logging data |
Also Published As
Publication number | Publication date |
---|---|
WO2010048761A1 (en) | 2010-05-06 |
US20120053792A1 (en) | 2012-03-01 |
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